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translate.html
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translate.html
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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8"/>
<style type="text/css">
body, html,#allmap {width: 100%;height: 100%;overflow: hidden;margin:0;}
#l-map{height:100%;width:78%;float:left;border-right:2px solid #bcbcbc;}
#r-result{height:100%;width:20%;float:left;}
</style>
<script type="text/javascript" src="http://api.map.baidu.com/api?v=2.0&ak=PP1cAvvXb1plFoWlvKxD1qNx9DD0i0qp"></script>
<title>批量坐标转换的顺序问题</title>
</head>
<body>
<div id="allmap"></div>
<script type="text/javascript">
var map = new BMap.Map("allmap");
var top_left_navigation = new BMap.NavigationControl(); //左上角，添加默认缩放平移控件
var icon_on = new BMap.Icon("station_on.png", new BMap.Size(20,20));
var icon_off = new BMap.Icon("station_off.png", new BMap.Size(20,20));
var markers=[];//标注的数组。
var oriPoints = [];//原始坐标组。有序。
var endPoints = [];//转换后的地图坐标。
var gap = 10;//表示一组查几个。
map.centerAndZoom(new BMap.Point(103.388611,35.563611), 5); //初始中心点级别 中国。
map.enableScrollWheelZoom(); //启用滚轮放大缩小
map.addControl(new BMap.NavigationControl());
map.addControl(new BMap.OverviewMapControl());
map.addControl(new BMap.ScaleControl());
map.enableScrollWheelZoom();
map.addControl(new BMap.MapTypeControl());
function Add(JD,WD,name,status)
{
var point = {lng:JD,lat:WD,name:name,status:status};
oriPoints.push(point);
}
function AddOver(){
var len = oriPoints.length;
var points = [];
var ajaxId = 0;
var i = 0 ;
var j = 0 ;
var ajaxLen =0;
for (; i < len; i++) {
if(i%gap == 0){
ajaxId = Math.floor(i/gap);
points[ajaxId] = [];
}
points[ajaxId].push(oriPoints[i]);
}
ajaxLen = points.length;
for (; j < ajaxLen; j++) {
(function() {
var jj = j;
//回调函数，添加marker。
var callback = function(data){
var ajaxId = jj;
var len = oriPoints.length,i,maker,label,theIcon;
var base = ajaxId * gap;
if(data.status === 0) {
var dateLen = data.points.length;
for(i=0;i <dateLen;i++){
if(oriPoints[base+i].status != 1){
theIcon = icon_off;
}else{
theIcon = icon_on;
}
marker = new BMap.Marker(data.points[i],{icon:theIcon});
label = new BMap.Label(oriPoints[base+i].name,{offset:new BMap.Size(20,0)});
label.setStyle(
{color : "white",
fontSize : "18px",
height : "20px",
lineHeight : "20px",
fontFamily:"楷体",
border : "1px",
backgroundColor : "#0072e3",
borderRadius: "5px"
}
);
marker.setLabel(label);
map.addOverlay(marker);
markers[base+i]=marker;
endPoints[base+i]=data.points[i];
}
if(oriPoints.length == endPoints.length){//加载完毕。
map.setViewport(endPoints);//设置中心点
}
}
callback = null;//清理内存。
}
posTrans(points[j],callback);//坐标转换新的数据图标添加到地图上。
})();
}
}
function center(JD,WD)
{
// window.map.centerAndZoom(new BMap.Point(JD,WD), 8);
map.setViewport(endPoints);//设置中心点
}
//可修改标注图标。使在线。
function onConnected(name)
{
for (var i = 0; i < markers.length; i++){
if(markers[i].getLabel().content == name){
markers[i].setIcon(icon_on);
markers[i].setAnimation(BMAP_ANIMATION_DROP);
return false;
}
}
}
//可修改标注图标。使离线。
function onClosed(name)
{
for (var i = 0; i < markers.length; i++){
if(markers[i].getLabel().content == name){
markers[i].setIcon(icon_off);
markers[i].setAnimation(BMAP_ANIMATION_DROP);
return false;
}
}
}
//坐标转换
function posTrans(points,callback){
var BdPoints = [],len = points.length,i;
for (i = 0; i < len; i++) {
BdPoints.push(new BMap.Point(points[i].lng,points[i].lat))
}
var convertor = new BMap.Convertor();
convertor.translate(BdPoints, 1, 5, callback)
}
//测试
Add(116.3786889372559,39.90762965106183,'p1',1);
Add(116.38632786853032,39.90795884517671,'p2',1);
Add(116.39534009082035,39.907432133833574,'p3',1);
Add(116.40624058825688,39.90789300648029,'p4',1);
Add(116.41413701159672,39.90795884517671,'p5',1);
Add(116.42413701159672,39.90795884517671,'p6',1);
Add(116.43413701159672,39.90795884517671,'p7',1);
Add(116.44413701159672,39.90795884517671,'p8',1);
Add(116.45413701159672,39.90795884517671,'p9',1);
Add(116.46413701159672,39.90795884517671,'p10',1);
Add(116.47413701159672,39.90795884517671,'p11',1);
Add(116.48413701159672,39.90795884517671,'p12',1);
Add(116.49413701159672,39.90795884517671,'p13',1);
Add(116.50413701159672,39.90795884517671,'p14',1);
Add(116.51413701159672,39.90795884517671,'p15',1);
Add(116.52413701159672,39.90795884517671,'p16',1);
Add(116.53413701159672,39.90795884517671,'p17',1);
Add(116.54413701159672,39.90795884517671,'p18',1);
Add(116.55413701159672,39.90795884517671,'p19',1);
Add(116.56413701159672,39.90795884517671,'p20',1);
Add(116.57413701159672,39.90795884517671,'p21',1);
Add(116.58413701159672,39.90795884517671,'p22',1);
Add(116.59413701159672,39.90795884517671,'p23',1);
Add(116.60413701159672,39.90795884517671,'p24',1);
Add(116.61413701159672,39.90795884517671,'p25',1);
AddOver();
</script>
</body>
</html>